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A Research of Maintenance Policy on an Automatic Fire Extinguishing and Explosion Suppression Device

Author: FuShunYao
Tutor: JinGuang
School: National University of Defense Science and Technology
Course: Project Management
Keywords: Failure analysis Maintenance way Maintenance cycle Maintenance plan automatic fire extinguishing and explosion suppression devices
CLC: TJ810.3
Type: Master's thesis
Year: 2011
Downloads: 38
Quote: 0
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Abstract


An automatic fire extinguishing and explosion suppression device is one of the important electrical sets of main battle armored equipments in our army. It plays a crucial role in suppression the second destruction effect from anti-tank weapons to armored vehicles and improving the vitality of passengers and reparability of other electrical equipments. The type of device is produced with high technical content and structure complex. For many years, because of army training courses, this type of device is rarely used. As a result, as the fault has more and more defects, ageing phenomenon of some parts are serious and Materiel readiness rate gradually decline. In addition, the technical force of division brigade level repair unit is limited in professional maintenance automatic fire extinguishing and explosion suppression, it directly influence battle defense ability of armored equipments. Therefore, the analysis of the fault of device and proposal of maintenance of equipment has instructive and practical value.Firstly, as for the research of operating principle and fault type of the device, the thesis adopt fault tree analysis and fault model and its impact analysis to analyze the reasons of fault in mechanization and define the main default model of each part. Secondly, logic determination method is used to analyze the way of maintenance and its decision problem of the device. Thirdly, on the basis of collecting and analyzing the fault and maintenance data which is accumulated in practice, the regular pattern of the fault is concluded through mathematical model of the time of fault in key parts such as thrust line, fire extinguisher assemble by mathematical statistics. Finally, according to the principle and practice of the device such as availability, all-in cost and so on, preventive maintenance cycle optimization problems and the best preventive maintenance cycle of the device is suggested by mathematical optimization method.On the basis of the research above, formulating maintenance plans of the device solve the decision problems in maintenance effectively and provide significant information in effective management of the device.

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CLC: > Industrial Technology > Arms industry > Tanks, warships, aircraft, aerospace,weapons > Chariot > General issues > Structure
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